It's roughly a 325. Oddly enough, I added 6 chromis to my 110, and they killed each other and the last one just disappeared one day.
In contrast, these are the same 6 chromis I added a year ago with no losses so far. Perhaps they need a bigger tank like tangs? Or they're weird mutant chromis.
I am a big fan of foam backgrounds. I had a tank with just a black one, and hated the look of coralline growing on it. Now, when coralline grows on the foam, it just looks like more rock! Much better.
It's still a very empty tank from a coral perspective. I am hoping to add quite a few frags to it and get it fuller. Once it's full, I guess I'll just have to upgrade...sigh...